UNIT 1 TO UNIT 3I. HÃY CHỌN MỘT TỪ CÓ PHẦN GẠCH DƯỚI ĐƯỢC PHÁT ÂM KHÁC...

11. “Does he go to work by bus?”, I asked his mother.

A. I asked his mother whether he goes to work by bus.

B. I asked his mother whether he went to work by bus or not.

C. I asked his mother if he went to work by bus or not.

D. I asked his mother if he goes to work by bus